feat: add scrollend type

Author: arslanastral

packages/svelte/elements.d.ts

@@ -351,6 +351,9 @@ export interface DOMAttributes<T extends EventTarget> {
 	'on:scroll'?: UIEventHandler<T> | undefined | null;
 	onscroll?: UIEventHandler<T> | undefined | null;
 	onscrollcapture?: UIEventHandler<T> | undefined | null;
+	'on:scrollend'?: UIEventHandler<T> | undefined | null;
+	onscrollend?: UIEventHandler<T> | undefined | null;
+	onscrollendcapture?: UIEventHandler<T> | undefined | null;
 	'on:resize'?: UIEventHandler<T> | undefined | null;
 	onresize?: UIEventHandler<T> | undefined | null;
 	onresizecapture?: UIEventHandler<T> | undefined | null;